Revenue - Sales From Merchandise Category (Details) - USD ($) $ in Millions	3 Months Ended
	May 03, 2025	May 04, 2024
Disaggregation of Revenue [Line Items]
Net sales	$ 4,599	$ 4,846
Other Revenue	194	154
Total revenue	4,793	5,000
Women's Accessories, Shoes, Cosmetics and Fragrances
Disaggregation of Revenue [Line Items]
Net sales	1,943	2,070
Women's Apparel
Disaggregation of Revenue [Line Items]
Net sales	1,097	1,145
Men's and Kids'
Disaggregation of Revenue [Line Items]
Net sales	951	981
Home/Other
Disaggregation of Revenue [Line Items]
Net sales	608	650
Credit card revenues, net
Disaggregation of Revenue [Line Items]
Other Revenue	154	117
Macy's Media Network revenue, net
Disaggregation of Revenue [Line Items]
Other Revenue	$ 40	$ 37